Now, let's look at the types of systems. Exhaust-only. All right, let's get this one out of the way first. Using exhaust fans is great for local ventilation of bathrooms, kitchens, garages, and sub-slab areas (for radon control), but it's not a great strategy for whole-house ventilation. It does have some advantages: It's cheap.
When writing Common Sense, Paine wanted to show the common man why the United States should be independent of England. He also wanted to show these people that they had the resources needed to build a navy.
Thomas Paine's Common Sense. We have Common Sense as well as the other major works by Thomas Paine set up for reading on desktop or mobile. Thomas Paine and the Internet. A provocative piece from a writer at Wired magazine contending that Thomas Paine should be considered as the moral father of the Internet.